fix(mobile): request iOS local network access

[illegalcall]

Summary

• add NSLocalNetworkUsageDescription to the Expo iOS configuration
• explain that AO uses local-network access to connect to the desktop daemon

Root cause

The generated iOS app included the ATS local-network transport setting but omitted the local-network privacy usage description. iOS therefore blocked direct requests to the AO LAN listener before they reached the daemon, and React Native surfaced only Network request failed.

User impact

Fresh iOS builds now display the system Local Network permission prompt. After the user allows access, AO can connect to the authenticated Connect Mobile listener on the same LAN. Existing installed binaries need to be rebuilt or updated to include the new native metadata.

Validation

• cd packages/mobile && npm run typecheck
• verified the resolved Expo configuration emits the expected NSLocalNetworkUsageDescription
• built, signed, and installed a Release build on a physical iPhone; connection succeeded after granting Local Network access

[somewherelostt]

Thanks for contributing to Agent Orchestrator.

This PR is being picked up by the current external contributor on-call pair:

• @neversettle17-101
• @somewherelostt

If someone is already working on this, please continue as usual.
The on-call pair is added for visibility, tracking, and support, not to take over the work.
If you need help with review, direction, reproduction, or next steps, please tag @neversettle17-101 and @somewherelostt here.

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